package org.xjh.photoview.view;

/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/

public interface OnGestureListener {

    void onDrag(float x, float y);//拖动

    void onFling(float startX, float startY, float velocityX, float velocityY);

    /**
     * 缩放
     * @param scaleFactor 缩放比列
     * @param focusX    焦点x
     * @param focusY    焦点y
     */
    void onSclae(float scaleFactor, float focusX, float focusY);
}
